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3.1.2 Timers

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The Candidates Gathering Phase timer tracks the maximum duration for the candidates gathering phase. This timer SHOULD have a default value of 10 seconds.

The Connectivity Checks Phase timer tracks the maximum duration for which connectivity checks can be performed between the candidate pairs. The maximum timeout for this timer MUST be set to 10 seconds.

The ICE keep-alive timer tracks the spacing of ICE keep-alive messages. These messages are sent to keep the NAT bindings and Traversal Using Relay NAT (TURN) allocations active. This timer MUST have a default value of 19 seconds or less.